Workflow Management Business Processes with Information Technology
Definition of Business Process A set of activities that takes one or more types of inputs and turns them into an output of greater value to the customer . [Hammer] input input output
Definition of Business Process A specific ordering of work activities across time and place, with a beginning, an end, and clearly-defined inputs and outputs; a structure for action. [Davenport] output input input
An Informal Workflow Order register Add to order Check order line Stop order Credit check Ship * for each order line OK i lager not OK Credit manager Order manager
An Informal Workflow Order register Add to order Check order line Stop order Credit check Ship * for each order line OK i lager not OK Credit manager Order manager Function Organisational unit Selection Parallelism
Application Process An event means that an object has taken on a state that affects the process A function is a task or action performed on an object to support one or more goals An operator connects functions and events
Application Process Events trigger functions and are the results of functions. By arranging this event-to-function change in a sequence, so-called event-driven process chains (EPCs) are created. An event-driven process chain (EPC) shows the chronological-logical procedure of a business process. ARIS method manual
An Exercise When an order arrives, the customer’s credit is checked as well as the availability of the goods. If the customer’s credit is fine and the goods are available, then the order is accepted. Otherwise, it is rejected. Furthermore, the credit check is carried out by the financial department, the goods availability check by the warehouse department, and the order acceptance/rejection is done by the sales department. Construct an EPC diagram for this case.
Swimming School Exercise A student registers at the swimming school. The student will take one or more swimming lessons followed by an examination. Every lesson has a beginning and an end. A student must have his or her individual teacher during a lesson. Each swimming lesson is followed by another swimming lesson or an individual examination. An examiner is present at the examination, from beginning to end. When a student has completed an examination, three things might happen: 1. The student passes and leaves the school 2. The student fails, takes additional lessons, and tries again 3. The student fails and gives up a) Model this using an EPC diagram.
A Historical Perspective 1970 1980 1990 2000 2010 1960 Operating System Application Application Operating System DBMS Application Operating System DBMS UIMS Application Operating System UIMS DBMS WFMS